I have a problem mentioned below
wkSales    ytdSale      
2839        15513      
2925        18202      
2705        20693      
2643        22499      
2515        24688      
1999        26128      
I want to add wkSales of second row to ytdSales of first row and show their addition in second Row of ytdSale Column how can i achieve this in sql server 2008 please help me